989d921f5d
I'm very pleased to announce the release of our new website and documentation using the new toolchain with Hugo and AsciiDoctor. To get more information about the new toolchain please read the FreeBSD Documentation Project Primer[1], Hugo docs[2] and AsciiDoctor docs[3]. Acknowledgment: Benedict Reuschling <bcr@> Glen Barber <gjb@> Hiroki Sato <hrs@> Li-Wen Hsu <lwhsu@> Sean Chittenden <seanc@> The FreeBSD Foundation [1] https://docs.FreeBSD.org/en/books/fdp-primer/ [2] https://gohugo.io/documentation/ [3] https://docs.asciidoctor.org/home/ Approved by: doceng, core
19 lines
455 B
Diff
19 lines
455 B
Diff
--- sys/amd64/amd64/exception.S.orig
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+++ sys/amd64/amd64/exception.S
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@@ -496,12 +496,14 @@
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movq TF_RFLAGS(%rsp),%r11 /* original %rflags */
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movq TF_RIP(%rsp),%rcx /* original %rip */
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movq TF_RSP(%rsp),%rsp /* user stack pointer */
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+ xorl %r8d,%r8d /* zero the rest of GPRs */
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+ xorl %r10d,%r10d
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cmpb $0,pti
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je 2f
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movq PCPU(UCR3),%r9
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movq %r9,%cr3
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- xorl %r9d,%r9d
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-2: swapgs
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+2: xorl %r9d,%r9d
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+ swapgs
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sysretq
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3: /* AST scheduled. */
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